ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,211,594, issued on Jan. 28, was assigned to VigNet Inc. (Fairfax, Va.).

"Machine learning to predict patient engagement and retention in clinical trials and increase compliance with study aims" was invented by Praduman Jain (Fairfax, Va.), Josh Schilling (Salem, Ore.) and Dave Klein (Oakton, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and apparatus, including computer programs encoded on computer storage media, for conditional monitoring using different groups of remote devices. In some implementations, a system accesses data indicating characteristics for a monitoring program that involves data collection from a plurality of re...